<?php

/**
 * Created by 七月
 * User: 七月
 * Date: 2017/2/14
 * Time: 12:16
 */

namespace app\common\validate;

use app\common\exception\ParameterException;
use think\facade\Request;
use think\Validate;

/**
 * Class BaseValidate
 * 验证类的基类
 */
class BaseValidate extends Validate
{

    protected $rule = [
    ];
    protected $msg = [
    ];

    /**
     * 检测所有客户端发来的参数是否符合验证类规则
     * 基类定义了很多自定义验证方法
     * 这些自定义验证方法其实，也可以直接调用
     * @throws ParameterException
     * @return true
     */
    public function goCheck()
    {
        //必须设置contetn-type:application/json
//        $request = Request::instance();
        $params = Request::param();
        $params['token'] = Request::header('token');
        if (!$this->check($params))
        {
            $exception = new ParameterException(
                    [
                'msg' => is_array($this->error) ? implode(
                        ';', $this->error) : $this->error,
            ]);
            throw $exception;
        }
        return true;
    }

    /**
     * @param array $arrays 通常传入request.post变量数组
     * @return array 按照规则key过滤后的变量数组
     * @throws ParameterException
     */
    public function getDataByRule($arrays)
    {
        if (array_key_exists('user_id', $arrays) | array_key_exists('uid', $arrays))
        {
            // 不允许包含user_id或者uid，防止恶意覆盖user_id外键
            throw new ParameterException([
        'msg' => '参数中包含有非法的参数名user_id或者uid'
            ]);
        }
        $newArray = [];
        foreach ($this->rule as $key => $value)
        {
            $newArray[$key] = $arrays[$key];
        }
        return $newArray;
    }

    protected function isPositiveInteger($value, $rule = '', $data = '', $field = '')
    {
        if (is_numeric($value) && is_int($value + 0) && ($value + 0) > 0)
        {
            return true;
        }
        return $field . '必须是正整数';
    }
    
    protected function geToday($value, $rule = '', $data = '', $field = '',$field_alias)
    {
        if (to_timestamp($value)>=to_timestamp(date('Y-m-d')))
        {
            return true;
        }
        return $field_alias . '必须大于等于今天';
    }

    protected function isNotEmpty($value, $rule = '', $data = '', $field = '')
    {
        if (empty($value))
        {
            return $field . '不允许为空';
        }
        else
        {
            return true;
        }
    }

    //没有使用TP的正则验证，集中在一处方便以后修改
    //不推荐使用正则，因为复用性太差
    //手机号的验证规则
    protected function isMobile($value)
    {
        $rule = '^1(3|4|5|7|8)[0-9]\d{8}$^';
        $result = preg_match($rule, $value);
        if ($result)
        {
            return true;
        }
        else
        {
            return false;
        }
    }

}
